diff --git a/src/api/services/profile-writer.ts b/src/api/services/profile-writer.ts
index a39fdce9..b7c00ac7 100644
--- a/src/api/services/profile-writer.ts
+++ b/src/api/services/profile-writer.ts
@@ -91,7 +91,8 @@ function createSettingsFile(
   baseUrl: string,
   apiKey: string,
   models: ModelMapping,
-  provider?: string
+  provider?: string,
+  extraModels?: string[]
 ): string {
   const ccsDir = getCcsDir();
   const settingsPath = path.join(ccsDir, `${name}.settings.json`);
@@ -117,6 +118,9 @@ function createSettingsFile(
       ANTHROPIC_DEFAULT_OPUS_MODEL: models.opus,
       ANTHROPIC_DEFAULT_SONNET_MODEL: models.sonnet,
       ANTHROPIC_DEFAULT_HAIKU_MODEL: models.haiku,
+      ...(extraModels && extraModels.length > 0
+        ? { ANTHROPIC_EXTRA_MODELS: extraModels.join(',') }
+        : {}),
       CCS_DROID_PROVIDER: droidProvider,
     },
   };
@@ -179,7 +183,8 @@ function createApiProfileUnified(
   apiKey: string,
   models: ModelMapping,
   target: TargetType = 'claude',
-  provider?: string
+  provider?: string,
+  extraModels?: string[]
 ): void {
   const ccsDir = getCcsDir();
   const settingsFile = `${name}.settings.json`;
@@ -204,6 +209,9 @@ function createApiProfileUnified(
       ANTHROPIC_DEFAULT_OPUS_MODEL: models.opus,
       ANTHROPIC_DEFAULT_SONNET_MODEL: models.sonnet,
       ANTHROPIC_DEFAULT_HAIKU_MODEL: models.haiku,
+      ...(extraModels && extraModels.length > 0
+        ? { ANTHROPIC_EXTRA_MODELS: extraModels.join(',') }
+        : {}),
       CCS_DROID_PROVIDER: droidProvider,
     },
   };
@@ -240,7 +248,8 @@ export function createApiProfile(
   apiKey: string,
   models: ModelMapping,
   target: TargetType = 'claude',
-  provider?: string
+  provider?: string,
+  extraModels?: string[]
 ): CreateApiProfileResult {
   try {
     const deniedReason = getDeniedModelReason(baseUrl, models);
@@ -251,9 +260,9 @@ export function createApiProfile(
     const settingsFile = `~/.ccs/${name}.settings.json`;
 
     if (isUnifiedMode()) {
-      createApiProfileUnified(name, baseUrl, apiKey, models, target, provider);
+      createApiProfileUnified(name, baseUrl, apiKey, models, target, provider, extraModels);
     } else {
-      createSettingsFile(name, baseUrl, apiKey, models, provider);
+      createSettingsFile(name, baseUrl, apiKey, models, provider, extraModels);
       updateLegacyConfig(name, target);
     }
 
diff --git a/src/cliproxy/sync/profile-mapper.ts b/src/cliproxy/sync/profile-mapper.ts
index 40583fa4..3a4a120c 100644
--- a/src/cliproxy/sync/profile-mapper.ts
+++ b/src/cliproxy/sync/profile-mapper.ts
@@ -149,6 +149,28 @@ export function mapProfileToClaudeKey(profile: SyncableProfile): ClaudeKey | nul
         alias: '',
       },
     ];
+
+    // Append extra models from ANTHROPIC_EXTRA_MODELS env var (comma-separated).
+    // Skip duplicates of the primary model and any repeated entries to keep
+    // the synced CLIProxy `models` array clean.
+    const extraModelsRaw = env.ANTHROPIC_EXTRA_MODELS;
+    if (extraModelsRaw && extraModelsRaw.trim()) {
+      const seen = new Set<string>([modelName]);
+      const extraModels = extraModelsRaw
+        .split(',')
+        .map((m) => m.trim())
+        .filter((m) => m.length > 0);
+      for (const extra of extraModels) {
+        if (seen.has(extra)) {
+          continue;
+        }
+        seen.add(extra);
+        claudeKey.models.push({
+          name: extra,
+          alias: '',
+        });
+      }
+    }
   }
 
   return claudeKey;
diff --git a/src/commands/api-command/create-command.ts b/src/commands/api-command/create-command.ts
index 1909c2dc..b0d799f8 100644
--- a/src/commands/api-command/create-command.ts
+++ b/src/commands/api-command/create-command.ts
@@ -493,7 +493,15 @@ export async function handleApiCreateCommand(args: string[]): Promise<void> {
 
   console.log('');
   console.log(info('Creating API profile...'));
-  const result = createApiProfile(name, baseUrl || '', apiKey, finalModels, target);
+  const result = createApiProfile(
+    name,
+    baseUrl || '',
+    apiKey,
+    finalModels,
+    target,
+    undefined,
+    parsedArgs.extraModels
+  );
   if (!result.success) {
     console.log(fail(`Failed to create API profile: ${result.error}`));
     process.exit(1);
@@ -534,6 +542,10 @@ export async function handleApiCreateCommand(args: string[]): Promise<void> {
       `  Haiku:  ${finalModels.haiku}`;
   }
 
+  if (parsedArgs.extraModels && parsedArgs.extraModels.length > 0) {
+    details += `\nExtraModels: ${parsedArgs.extraModels.join(', ')}`;
+  }
+
   console.log('');
   console.log(infoBox(details, 'API Profile Created'));
   if (hasClaudeMappings) {
diff --git a/src/commands/api-command/help.ts b/src/commands/api-command/help.ts
index 000a1840..2da106d2 100644
--- a/src/commands/api-command/help.ts
+++ b/src/commands/api-command/help.ts
@@ -55,6 +55,9 @@ export async function showApiCommandHelp(writeLine: HelpWriter = console.log): P
   writeLine(`  ${color('--base-url <url>', 'command')}     API base URL (create)`);
   writeLine(`  ${color('--api-key <key>', 'command')}      API key (create)`);
   writeLine(`  ${color('--model <model>', 'command')}      Default model (create)`);
+  writeLine(
+    `  ${color('--extra-models <list>', 'command')} Comma-separated extra models to expose alongside --model`
+  );
   writeLine(
     `  ${color('--1m / --no-1m', 'command')}         Write or clear [1m] on compatible Claude mappings`
   );
@@ -96,6 +99,11 @@ export async function showApiCommandHelp(writeLine: HelpWriter = console.log): P
   );
   writeLine(`  ${color('ccs api create --preset glm', 'command')}`);
   writeLine('');
+  writeLine(`  ${dim('# Expose multiple models from one provider endpoint')}`);
+  writeLine(
+    `  ${color('ccs api create dashscope --base-url https://... --api-key sk-xxx --model qwen3-coder-plus --extra-models glm-4.6,kimi-k2', 'command')}`
+  );
+  writeLine('');
   writeLine(subheader('Claude Long Context'));
   writeLine(`  ${dim('Plain Claude model IDs stay on standard context by default.')}`);
   writeLine(
diff --git a/src/commands/api-command/shared.ts b/src/commands/api-command/shared.ts
index 37dfe35f..657cbb3d 100644
--- a/src/commands/api-command/shared.ts
+++ b/src/commands/api-command/shared.ts
@@ -17,6 +17,7 @@ export interface ApiCommandArgs {
   baseUrl?: string;
   apiKey?: string;
   model?: string;
+  extraModels?: string[];
   preset?: string;
   cliproxyProvider?: string;
   target?: TargetType;
@@ -33,6 +34,7 @@ export const API_VALUE_FLAGS = [
   '--base-url',
   '--api-key',
   '--model',
+  '--extra-models',
   '--preset',
   '--cliproxy-provider',
   '--target',
@@ -222,6 +224,21 @@ export function parseApiCommandArgs(
     true
   );
 
+  remaining = applyRepeatedOption(
+    remaining,
+    ['--extra-models'],
+    (value) => {
+      result.extraModels = value
+        .split(',')
+        .map((m) => m.trim())
+        .filter((m) => m.length > 0);
+    },
+    () => {
+      result.errors.push('Missing value for --extra-models');
+    },
+    false
+  );
+
   remaining = applyRepeatedOption(
     remaining,
     ['--preset'],
diff --git a/src/web-server/routes/profile-routes.ts b/src/web-server/routes/profile-routes.ts
index 84752b1d..9b812760 100644
--- a/src/web-server/routes/profile-routes.ts
+++ b/src/web-server/routes/profile-routes.ts
@@ -144,6 +144,7 @@ router.post('/', (req: Request, res: Response): void => {
     'baseUrl',
     'apiKey',
     'model',
+    'extraModels',
     'opusModel',
     'sonnetModel',
     'haikuModel',
@@ -156,7 +157,8 @@ router.post('/', (req: Request, res: Response): void => {
     return;
   }
 
-  const { name, baseUrl, apiKey, model, opusModel, sonnetModel, haikuModel, target } = req.body;
+  const { name, baseUrl, apiKey, model, extraModels, opusModel, sonnetModel, haikuModel, target } =
+    req.body;
   const providerHint = req.body?.droidProvider ?? req.body?.provider;
   const parsedProvider = normalizeDroidProvider(providerHint);
   const normalizedBaseUrl = typeof baseUrl === 'string' ? baseUrl.trim() : '';
@@ -198,6 +200,14 @@ router.post('/', (req: Request, res: Response): void => {
   }
 
   // Create profile using unified-config-aware service
+  const parsedExtraModels: string[] | undefined =
+    typeof extraModels === 'string' && extraModels.trim()
+      ? extraModels
+          .split(',')
+          .map((m: string) => m.trim())
+          .filter((m: string) => m.length > 0)
+      : undefined;
+
   const result = createApiProfile(
     name,
     normalizedBaseUrl,
@@ -209,7 +219,8 @@ router.post('/', (req: Request, res: Response): void => {
       haiku: haikuModel || model || '',
     },
     parsedTarget || 'claude',
-    parsedProvider || undefined
+    parsedProvider || undefined,
+    parsedExtraModels
   );
 
   if (!result.success) {
@@ -409,6 +420,7 @@ router.put('/:name', (req: Request, res: Response): void => {
     'baseUrl',
     'apiKey',
     'model',
+    'extraModels',
     'opusModel',
     'sonnetModel',
     'haikuModel',
@@ -422,7 +434,8 @@ router.put('/:name', (req: Request, res: Response): void => {
   }
 
   const { name } = req.params;
-  const { baseUrl, apiKey, model, opusModel, sonnetModel, haikuModel, target } = req.body;
+  const { baseUrl, apiKey, model, extraModels, opusModel, sonnetModel, haikuModel, target } =
+    req.body;
   const providerHint = req.body?.droidProvider ?? req.body?.provider;
   const parsedProvider = normalizeDroidProvider(providerHint);
   const normalizedBaseUrl = typeof baseUrl === 'string' ? baseUrl.trim() : baseUrl;
@@ -457,6 +470,7 @@ router.put('/:name', (req: Request, res: Response): void => {
       baseUrl !== undefined ||
       apiKey !== undefined ||
       model !== undefined ||
+      extraModels !== undefined ||
       opusModel !== undefined ||
       sonnetModel !== undefined ||
       haikuModel !== undefined ||
@@ -473,6 +487,7 @@ router.put('/:name', (req: Request, res: Response): void => {
         baseUrl: normalizedBaseUrl,
         apiKey: normalizedApiKey,
         model,
+        extraModels,
         opusModel,
         sonnetModel,
         haikuModel,
diff --git a/src/web-server/routes/route-helpers.ts b/src/web-server/routes/route-helpers.ts
index b45f762a..3836711f 100644
--- a/src/web-server/routes/route-helpers.ts
+++ b/src/web-server/routes/route-helpers.ts
@@ -218,6 +218,7 @@ export function updateSettingsFile(
     baseUrl?: string;
     apiKey?: string;
     model?: string;
+    extraModels?: string;
     opusModel?: string;
     sonnetModel?: string;
     haikuModel?: string;
@@ -336,6 +337,17 @@ export function updateSettingsFile(
     }
   }
 
+  // Handle extra models (comma-separated string)
+  if (updates.extraModels !== undefined) {
+    settings.env = settings.env || {};
+    const normalized = typeof updates.extraModels === 'string' ? updates.extraModels.trim() : '';
+    if (normalized.length > 0) {
+      settings.env.ANTHROPIC_EXTRA_MODELS = normalized;
+    } else {
+      delete settings.env.ANTHROPIC_EXTRA_MODELS;
+    }
+  }
+
   if (
     updates.provider !== undefined ||
     updates.baseUrl !== undefined ||
diff --git a/tests/unit/cliproxy/profile-mapper.test.ts b/tests/unit/cliproxy/profile-mapper.test.ts
index c95f2c71..92f688ff 100644
--- a/tests/unit/cliproxy/profile-mapper.test.ts
+++ b/tests/unit/cliproxy/profile-mapper.test.ts
@@ -74,6 +74,48 @@ describe('Profile Mapper', () => {
       assert.ok(result);
       assert.strictEqual(result['base-url'], undefined);
     });
+
+    it('appends ANTHROPIC_EXTRA_MODELS as additional models, deduped against primary and each other', () => {
+      const profile = {
+        name: 'dashscope',
+        settingsPath: '/path',
+        isConfigured: true,
+        env: {
+          ANTHROPIC_AUTH_TOKEN: 'sk-test',
+          ANTHROPIC_BASE_URL: 'https://api.example.com',
+          ANTHROPIC_MODEL: 'qwen3-coder-plus',
+          // Includes whitespace, empty entries, a duplicate of the primary
+          // model, and a repeated extra entry — all should be cleaned up.
+          ANTHROPIC_EXTRA_MODELS: ' glm-4.6 , kimi-k2 , ,qwen3-coder-plus, kimi-k2 ',
+        },
+      };
+      const result = profileMapper.mapProfileToClaudeKey(profile);
+
+      assert.ok(result, 'Should return ClaudeKey');
+      assert.deepStrictEqual(result.models, [
+        { name: 'qwen3-coder-plus', alias: '' },
+        { name: 'glm-4.6', alias: '' },
+        { name: 'kimi-k2', alias: '' },
+      ]);
+    });
+
+    it('ignores empty ANTHROPIC_EXTRA_MODELS', () => {
+      const profile = {
+        name: 'test',
+        settingsPath: '/path',
+        isConfigured: true,
+        env: {
+          ANTHROPIC_AUTH_TOKEN: 'sk-test',
+          ANTHROPIC_MODEL: 'gpt-4',
+          ANTHROPIC_EXTRA_MODELS: '   ',
+        },
+      };
+      const result = profileMapper.mapProfileToClaudeKey(profile);
+
+      assert.ok(result);
+      assert.strictEqual(result.models.length, 1);
+      assert.strictEqual(result.models[0].name, 'gpt-4');
+    });
   });
 
   describe('loadSyncableProfiles', () => {
diff --git a/tests/unit/commands/api-command-args.test.ts b/tests/unit/commands/api-command-args.test.ts
index 1f5dee30..83387831 100644
--- a/tests/unit/commands/api-command-args.test.ts
+++ b/tests/unit/commands/api-command-args.test.ts
@@ -163,6 +163,24 @@ describe('api-command arg parser', () => {
     expect(parsed.extendedContext).toBeUndefined();
     expect(parsed.errors).toEqual(['Cannot combine --1m and --no-1m']);
   });
+
+  test('parses --extra-models as comma-separated list with whitespace and empty entries trimmed', () => {
+    const parsed = parseApiCommandArgs([
+      'my-api',
+      '--extra-models',
+      ' glm-4.6 , kimi-k2 , ,MiniMax-M2 ',
+    ]);
+
+    expect(parsed.extraModels).toEqual(['glm-4.6', 'kimi-k2', 'MiniMax-M2']);
+    expect(parsed.errors).toEqual([]);
+  });
+
+  test('records missing-value error for --extra-models with no value', () => {
+    const parsed = parseApiCommandArgs(['my-api', '--extra-models']);
+
+    expect(parsed.extraModels).toBeUndefined();
+    expect(parsed.errors).toEqual(['Missing value for --extra-models']);
+  });
 });
 
 describe('collectUnexpectedApiArgs', () => {
diff --git a/ui/src/components/profiles/profile-dialog.tsx b/ui/src/components/profiles/profile-dialog.tsx
index cdd03d69..401ca8d5 100644
--- a/ui/src/components/profiles/profile-dialog.tsx
+++ b/ui/src/components/profiles/profile-dialog.tsx
@@ -34,6 +34,7 @@ const schema = z.object({
   baseUrl: optionalUrlSchema,
   apiKey: z.string().min(10, 'API key must be at least 10 characters'),
   model: z.string().optional(),
+  extraModels: z.string().optional(),
   opusModel: z.string().optional(),
   sonnetModel: z.string().optional(),
   haikuModel: z.string().optional(),
@@ -53,6 +54,13 @@ export function ProfileDialog({ open, onClose, profile }: ProfileDialogProps) {
   const updateMutation = useUpdateProfile();
   const [showModelMapping, setShowModelMapping] = useState(false);
 
+  // Tracks whether the user has interacted with the Extra Models field in
+  // edit mode. RHF's `dirtyFields` compares the current value against
+  // `defaultValues`, so typing "x" and erasing back to "" reverts dirty to
+  // false. We need a latch so an explicit-clear (type then delete) still
+  // forwards the empty-string delete signal to the backend.
+  const [extraModelsTouched, setExtraModelsTouched] = useState(false);
+
   const {
     register,
     handleSubmit,
@@ -67,6 +75,7 @@ export function ProfileDialog({ open, onClose, profile }: ProfileDialogProps) {
           baseUrl: '',
           apiKey: '',
           model: '',
+          extraModels: '',
           opusModel: '',
           sonnetModel: '',
           haikuModel: '',
@@ -89,19 +98,28 @@ export function ProfileDialog({ open, onClose, profile }: ProfileDialogProps) {
   useEffect(() => {
     if (!open) {
       setShowModelMapping(false);
+      setExtraModelsTouched(false);
     }
   }, [open]);
 
   const onSubmit = async (data: FormData) => {
     try {
       if (profile) {
-        // Update mode
+        // Update mode. The dialog cannot pre-populate `extraModels` from the
+        // existing profile (Profile type carries no env data), so the field
+        // always starts blank. Forwarding that blank value unconditionally
+        // would clobber any saved ANTHROPIC_EXTRA_MODELS, since the PUT route
+        // treats an empty string as a delete signal. Use a latch flipped on
+        // the first onChange so we can distinguish "user never touched it"
+        // (skip → preserve existing value) from "user typed then cleared"
+        // (forward "" → explicit delete).
         await updateMutation.mutateAsync({
           name: profile.name,
           data: {
             baseUrl: data.baseUrl,
             apiKey: data.apiKey,
             model: data.model,
+            ...(extraModelsTouched ? { extraModels: data.extraModels } : {}),
             opusModel: data.opusModel,
             sonnetModel: data.sonnetModel,
             haikuModel: data.haikuModel,
@@ -165,6 +183,21 @@ export function ProfileDialog({ open, onClose, profile }: ProfileDialogProps) {
             </p>
           </div>
 
+          <div>
+            <Label htmlFor="extraModels">Extra Models</Label>
+            <Input
+              id="extraModels"
+              {...register('extraModels', {
+                onChange: () => setExtraModelsTouched(true),
+              })}
+              placeholder="model-a,model-b,model-c"
+            />
+            <p className="text-xs text-muted-foreground mt-1">
+              Comma-separated list of additional models available via this provider. These are
+              synced to CLIProxy alongside the default model.
+            </p>
+          </div>
+
           {/* Model Mapping Section */}
           <div className="border rounded-md">
             <button
diff --git a/ui/src/lib/api-client.ts b/ui/src/lib/api-client.ts
index 38e43778..e48e4dc4 100644
--- a/ui/src/lib/api-client.ts
+++ b/ui/src/lib/api-client.ts
@@ -336,6 +336,7 @@ export interface CreateProfile {
   baseUrl: string;
   apiKey: string;
   model?: string;
+  extraModels?: string;
   opusModel?: string;
   sonnetModel?: string;
   haikuModel?: string;
@@ -346,6 +347,7 @@ export interface UpdateProfile {
   baseUrl?: string;
   apiKey?: string;
   model?: string;
+  extraModels?: string;
   opusModel?: string;
   sonnetModel?: string;
   haikuModel?: string;